#2D66B9#2D66B9

#2D66B9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.7% C 0.144 H 258.1°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2D66B9
RGB	rgb(45, 102, 185)
HSL	hsl(216, 61%, 45%)
HSV	hsv(216, 76%, 73%)
CMYK	cmyk(75.7%, 44.9%, 0%, 27.5%)
CIE-LAB	lab(43.60, 10.81, -49.18)
CIE-LCH	lch(43.60, 50.36, 282.40°)
OKLab	oklab(51.7% -0.0296 -0.1409)
OKLCH	oklch(51.7% 0.144 258.1)
XYZ	xyz(14.5873, 13.5618, 47.7384)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D66B9 #B9802D

analogous

#2DACB9 #2D66B9 #3A2DB9

triadic

#2D66B9 #B92D66 #66B92D

tetradic

#2D66B9 #B92DAC #B9802D #2DB93A

square

#2D66B9 #B92DAC #B9802D #2DB93A

split-complementary

#2D66B9 #B93A2D #ACB92D

monochromatic

#153057 #214B88 #2D66B9 #4F85D4 #80A7E0

Accessibility & contrast

On white

5.66

#2D66B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2D66B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D66B9

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D66B9	#FFFFFF	#000000	##FFFFFF
##2D66B9	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6EBC

Deuteranopia (green-blind)

#1F61B7

Tritanopia (blue-blind)

#007A86

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2d66b9;
/* rgb */ color: rgb(45, 102, 185);
/* oklch */ color: oklch(51.7% 0.144 258.1);

Tailwind

colors: {
  custom: {
    50: '#7991ce',
    500: '#2d66b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d66b9;
$custom-light: #7991ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2d66b9",
  "rgb": {
    "r": 45,
    "g": 102,
    "b": 185
  },
  "hsl": {
    "h": 215.571,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51696,
    "c": 0.14401,
    "h": 258.1
  },
  "luminance": 0.13563
}

Semantic roles & 50–950 ramp

primary

#2D66B9

secondary

#C9A879

accent

#A344E4

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2D66B9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →